/in/foo.cc:2:5: error: expected unqualified-id before 'for'
     for(int i=1;i<=n;i++)
     ^~~
/in/foo.cc:2:17: error: 'i' does not name a type
     for(int i=1;i<=n;i++)
                 ^
/in/foo.cc:2:22: error: 'i' does not name a type
     for(int i=1;i<=n;i++)
                      ^
/in/foo.cc:16:5: error: expected unqualified-id before 'for'
     for(int i=1;i<=n;i++)
     ^~~
/in/foo.cc:16:17: error: 'i' does not name a type
     for(int i=1;i<=n;i++)
                 ^
/in/foo.cc:16:22: error: 'i' does not name a type
     for(int i=1;i<=n;i++)
                      ^